diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index 04d65cae4..662bd4d96 100644
--- a/.ci_support/environment.yml
+++ b/.ci_support/environment.yml
@@ -10,7 +10,7 @@ dependencies:
 - nglview =3.1.4
 - notebook
 - numpy =1.26.4
-- phonopy =2.43.1
+- phonopy =2.43.2
 - plotly =6.3.0
 - pymatgen =2025.3.10
 - pyscal3 =3.3.0
diff --git a/pyproject.toml b/pyproject.toml
index 4b45a28f8..fc224b5f4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,7 +52,7 @@ surface = [
     "pymatgen==2025.3.10",
 ]
 phonopy = [
-    "phonopy==2.43.1",
+    "phonopy==2.43.2",
     "spglib==2.6.0",
 ]
 pyxtal = ["pyxtal==1.1.0"]